Synonyms of insincere

insincere 1 of 2

adjective

ˌin-sin-ˈsir 

as in fake

not being or expressing what one appears to be or express

the insincere compliments of a spiteful gossip

Synonyms & Similar Words

• fake
• meaningless
• superficial
• double
• hypocritical
• lip
• hollow
• phony
• strained
• artificial
• counterfeit
• pretended
• unctuous
• unnatural
• feigned
• backhanded
• pious
• false
• mechanical
• dishonest
• mealy
• jive
• two-faced
• assumed
• phony-baloney
• contrived
• empty
• deceitful
• double-faced
• affected
• mealymouthed
• double-dealing
• untruthful
• forced
• Janus-faced
• glib
• Pecksniffian
• sham
• devious
• simulated
• put-on
• facile
• left-handed
• bogus
• sanctimonious
• claptrap
• facetious
• jocular
• pharisaical
• tongue-in-cheek
• campy
• self-righteous
• simon-pure
• canting

Antonyms & Near Antonyms

• sincere
• genuine
• honest
• heartfelt
• artless
• candid
• unfeigned
• direct
• plain
• frank
• forthright
• open
• straightforward
• undesigning
• heart-to-heart

insincerity

2 of 2

noun

as in deception

the pretending of having virtues, principles, or beliefs that one in fact does not have

the insincerity of the family's professed concern for the environment is pretty much exposed by the gas-guzzler parked in the driveway

Synonyms & Similar Words

• deception
• deceit
• hypocrisy
• deceptiveness
• affectation
• deceitfulness
• pretense
• dissimulation
• pretension
• piousness
• dissembling
• dishonesty
• falseness
• cant
• perfidy
• duplicity
• double-dealing
• sanctimoniousness
• self-satisfaction
• two-facedness
• self-righteousness
• fakery
• artificiality
• falsity
• glibness
• pretentiousness
• shamming
• affectedness
• smoothness
• oiliness
• unctuousness
• fraudulentness

Antonyms & Near Antonyms

• sincerity
• genuineness
• honesty
• truthfulness
• frankness
• directness
• candor
• openness
• forthrightness
• straightforwardness
• probity
• sincereness
• naturalness
• artlessness
• openheartedness
• guilelessness
• unaffectedness

Example Sentences

Recent Examples of insincere

Adjective

Johnson is not one to throw insincere flattery around, so his emphatic endorsement of Burden on Thursday and his praise for the way the young receiver is expanding his route tree and finishing reps felt significant. — Dan Wiederer, New York Times, 1 June 2026

Sybiha said Russia’s actions exposed its calls for a separate ceasefire around May 9 as insincere. — ABC News, 6 May 2026

Noun

It was made that much worse when several cast members laughed at her insincerity and Maddi Reese interrupted it several times because there was a stray cat nearby that terrified her. — Brian Moylan, Vulture, 29 May 2026

Allen’s combo of flip insincerity and kindly concern is a terrific treat, recalling Bill Murray at his doofy best. — Duane Byrge, HollywoodReporter, 11 Nov. 2025